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879fd24edc
The exception handler thunk needs to reference the LSDA of the parent function, which won't be emitted if it's available_externally. Fixes PR35736. ThinLTO ends up producing available_externally functions that use _CxxFrameHandler3. llvm-svn: 321532
29 lines
869 B
LLVM
29 lines
869 B
LLVM
; RUN: opt -S -x86-winehstate < %s | FileCheck %s --check-prefix=IR
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; RUN: llc < %s | FileCheck %s --check-prefix=ASM
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; IR-NOT: define.*__ehhandler
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; IR: define available_externally void @foo(void ()*)
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; IR-NOT: define.*__ehhandler
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; No code should be emitted.
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; ASM-NOT: __ehtable
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; ASM-NOT: __ehhandler
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target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
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target triple = "i686-pc-windows-msvc"
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declare i32 @__CxxFrameHandler3(...) unnamed_addr
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define available_externally void @foo(void ()*) personality i32 (...)* @__CxxFrameHandler3 {
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start:
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invoke void %0()
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to label %good unwind label %bad
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good: ; preds = %start
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ret void
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bad: ; preds = %start
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%cleanuppad = cleanuppad within none []
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cleanupret from %cleanuppad unwind to caller
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}
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